The MS51 Wood and Plastic cutting blade is perfect for making straight and curved cuts in soft wood, plastic, foam, carpet and other soft materials. Pin-end design allows easy, tool-free blade changes. Ideal for making straight and curved cuts For use in wood, plastic, foam, carpet and other soft materials Unique pin-end blade design allows quick, tool-free blade changes Bonus MS50 side cutting blade included DIMENSIONS: Teeth Per Inch: 15 Contents: (4) MS51 Wood & Plastic Cutting Blade Warranty: Product Defects Only Blade Thickness (in): 3.8 Blade Thickness: 3.8 " Blade Length: 3.9 Color Code: Red Quantity: 4 blades Width: 0.025 " Gauge: 20 "